1102021121211 has 8 divisors (see below), whose sum is σ = 1469366367744. Its totient is φ = 734678311080.

The previous prime is 1102021121209. The next prime is 1102021121213. The reversal of 1102021121211 is 1121211202011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1102021121209) and next prime (1102021121213).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1102021121211 - 2¹ = 1102021121209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1102021121213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310970 + ... + 1980576.

It is an arithmetic number, because the mean of its divisors is an integer number (183670795968).

Almost surely, 2^{1102021121211} is an apocalyptic number.

1102021121211 is a deficient number, since it is larger than the sum of its proper divisors (367345246533).

1102021121211 is an equidigital number, since it uses as much as digits as its factorization.

1102021121211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1218201.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1102021121211 its reverse (1121211202011), we get a palindrome (2223232323222).

The spelling of 1102021121211 in words is "one trillion, one hundred two billion, twenty-one million, one hundred twenty-one thousand, two hundred eleven".